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Hi, I've designed a circuit to produce a high voltage, high frequency sine wave from a low voltage square, produced by a microcontroller(Stellaris Launchpad). I've used a simple LC oscillator as a voltage magnifier. Voltage input to LC circuit = 3.3v (peak to peak) Voltage out = 54.42v (peak to peak) Resonance frequency = 355kHz The voltage generator produces a square wave Vmax=3.3v, Vmin=0v, with an internal resistance of 20k ohms at a frequency of 355kHz. Duty cycle is 50%. to simulate the microcontrollers output pin. The buffer IC used, is the LMH6321. Is this circuit effective? Are there any modifications or improvements to it? Any alternative circuits? Also, will the current circuit be safe to interface to the microcontroller (no chances of over heating or short circuiting)?